Dithizone AR 25GM | |||
20650SG025 | 916580315IW | ||
AR | 9165803 | ||
60-10-6 | 97625 | ||
C13H12N4S | September 2023 | ||
256.32 | August 2028 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | Purple black crystalline powder | Black or purple black crystalline powder |
2 | Solubility | Complies | 0.1% soln. in acetone should not become green to brown within 6 days |
3 | Assay | 95.50% | Min.85.00% |
4 | Absorptivity(A,1%,1cm,L max 605nm, CHCl3) | 1525 | Min. 1522 |
5 | Chloroform insoluble matter | Complies | Passes test |
6 | Sulphated ash | 0.1% | 0.2% max |
7 | Lead (Pb) | Not detected | 0.001% max |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |